Menachem Liss, DO

Dr. Syed Abbasi is an adult psychiatrist who completed his undergraduate education at Rutgers University and earned his medical degree at Ross University. He completed his psychiatry residency training at Creedmoor Psychiatric Center with training at New York-Presbyterian/Columbia University Medical Center, additionally as Chief Resident at Columbia University's Outpatient Adult Psychiatry Eye-6 clinic. Dr. Abbasi is passionate about and experienced in providing holistic, thoughtful, evidence-based care for patients with depression, anxiety, obsessive compulsive disorder, trauma-related disorders, relationship issues and struggles with self-image. He believes empathy and understanding are the most fundamental components of the doctor-patient relationship. He provides psychiatric medication management and integrates supportive psychotherapy, elements of dialectical behavioral therapy (DBT), stress management techniques and lifestyle interventions to meet patients where they are and collaborate toward improvement and optimization of their wellness. Occasionally, when appropriate, he may recommend adding a therapist to your care team for further benefit.

Dr. Kevin DiCesare is a board-certified psychiatrist, treating adults. He received his undergraduate degree at Harvard University, his medical degree at the University of Massachusetts Medical School, and then went on to train at Maine Medical Center for his psychiatric residency. He has 22 years of expertise in diagnosing and treating psychiatric conditions, including depression, anxiety, Bipolar spectrum disorders, adjustment problems, ADHD and other disorders. He is well versed in psychopharmacological interventions, but is a proponent of patients also being active in psychotherapy whenever appropriate. He prides himself in collaboratively arriving at treatment decisions with his patients, and taking the time to listen to their concerns and answer their questions.

Dr. DiCesare has worked in various settings, including community mental health centers and large hospital systems, with experience in inpatient, outpatient, and consultative roles. Prior to joining Talkiatry, he most recently served as an attending psychiatrist on the staff of Southern New Hampshire Health System, where he provided consultative care to referrals made from primary care providers and various specialists.

*THIS PROVIDER CANNOT PRESCRIBE CONTROLLED SUBSTANCES FOR NH PATIENTS* Doctor Phillip Sullivan is a staff psychiatrist at Talkiatry. He is board certified in both adult psychiatry and child and adolescent psychiatry. His interest in psychiatric treatment was originally triggered by the humanistic writings of Abraham Maslow, Carl Rogers, and Rollo May. As he earned his medical degree and started post-graduate psychiatric training, he went on to learn psycho-pharmacological, cognitive-behavioral, and psychodynamic treatment approaches. He combines these perspectives in diagnosing and treating psychiatric conditions including depression, bipolar spectrum disorders, anxiety, stress and trauma related disorders, adjustment problems, maternal mental health, OCD, ADHD and other disorders. His practice focuses on supportive pharmacological treatment, and he sees listening and empathy as essential elements of the treatment process. He strives to provide a comfortable experience in which doctor and patient work together to understand the presenting problems, develop a treatment plan, reduce symptoms, and optimize functioning. Doctor Sullivan supports and encourages concurrent psychotherapy and will work collaboratively with therapists to optimize the best treatment results. Doctor Sullivan received his MD degree from Brown University Alpert School of Medicine. After completing a medical-surgical internship, he went on to a residency in adult psychiatry and a fellowship in child and adolescent psychiatry at Harvard Medical School's Massachusetts Mental Health Center. He has held academic appointments at Harvard Medical School and the University of New England School of Osteopathic Medicine. In the 36 years following completion of his training, he has worked as the medical director of a mental health center on the under-served Eastern Shore of Maryland, as the medical director of a child and adolescent psychiatric inpatient unit, as a staff psychiatrist at New Hampshire's Dartmouth Hitchcock Clinic, and as the medical director of child and adolescent psychiatric services at Concord New Hampshire's mental health center. Before joining Talkiatry, he served for 18 years as the chief of psychiatry at Southern New Hampshire Medical Center where he also spent three years as the hospital's chief of staff.

Dr. Connie Hsiao is a board-certified Adult Psychiatrist and board-eligible Child & Adolescent Psychiatrist. She earned her medical degree from Texas A&M College of Medicine, completed her Adult Psychiatry Residency at UT Health San Antonio, and pursued Child & Adolescent Psychiatry Fellowship at Baylor College of Medicine. Dr. Hsiao has extensive experience treating diverse patient populations across various clinical settings.

Dr. Hsiao values open communication, collaboration, and building a safe, supportive environment where patients feel heard and respected. She treats a wide range of mental health concerns—including depression, anxiety, ADHD, and life transitions—in children, adolescents, and adults. She emphasizes trust and mutual understanding in the therapeutic relationship.

In the initial visit, Dr. Hsiao conducts a comprehensive evaluation to understand each patient’s unique history, concerns, and goals. She utilizes evidence-based medication management alongside therapeutic strategies to create personalized treatment plans that reflect and support her patients’ needs and aspirations.

Dr. Ankila S. Chandran is a board certified general psychiatrist at Talkiatry with over 20 years of experience treating a diverse population of patients. After graduating with her doctorate in Communication Theory and Research from the University of Southern California she attended the Touro University College of Osteopathic Medicine in Northern California and then completed her residency in Psychiatry at the University of Medicine and Dentistry of New Jersey and became board certified by the American Osteopathic Board of Neurology and Psychiatry in 2006. Dr. Chandran has spent the past 20 years fulfilling her passion for practicing integrated and holistic care for adults suffering from mental illness. Her years of experience include working as a Clinical Psychiatrist and Assistant Professor at Rowan University School of Osteopathic Medicine, being an examiner for the oral boards for psychiatrists seeking board certification, engaging in longer term inpatient treatment for chronically ill patients and facilitating consultation-liaison psychiatry with other medical specialties as well as practicing general outpatient psychiatry. Dr. Chandran has an informal and approachable style when treating individuals who suffer from a variety of complex diagnoses, she explains conditions well and helps educate her patients about how to be actively engaged in living their best lives. Concurrent with medication management, Dr. Chandran provides supportive psychotherapy and she has psychodynamic therapy skills that help address the root causes of her patients' distress. If Dr. Chandran feels you would benefit from working separately with a weekly to every other week therapist in conjunction with getting medication management, she welcomes collaboration with your therapist to achieve optimal results. Dr. Chandran strives to empower her patients in advocating for themselves and in achieving an optimal integration of their mental and physical health.

Dr. Joshua Riederman is a board-certified psychiatrist with a specialization in the treatment of adults aged 18 to 65. Dr. Riederman obtained his undergraduate degree in brain, cognition, and neuroscience from the University of Michigan in Ann Arbor. He subsequently attended medical school at Nova Southeastern University in Fort Lauderdale, Florida, and completed his residency training at JFK Hospital in Palm Beach, Florida.

Dr. Riederman places a strong emphasis on establishing meaningful relationships with his patients and supporting them in achieving their individual life goals through effective treatment. He actively incorporates patient preferences into all treatment plans and integrates psychotherapy with medication management. Dr. Riederman recognizes the importance of educating patients about their care and dedicates time during each appointment to address any questions or concerns they may have.

In his clinical practice, Dr. Riederman begins by facilitating an open dialogue with patients regarding their primary concerns for the appointment. During initial consultations, he conducts a comprehensive assessment, which includes gathering relevant medical, familial, and social histories that may influence the course of treatment. In subsequent appointments, Dr. Riederman engages patients by inquiring about developments that have occurred since their last visit, as well as any issues related to medications or significant life events.

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